This item is made of upgraded high quality plastic and spring. It is much stronger than the old one, durable and difficult to crack. This pedal resistance band is the best choice for building up your muscles. It is aimed for abdomen, arm & chest exercise where multifunction pedal resistance band helps you to do exercises while you are standing or sitting. There are various methods for different exercise. Ideal for toning & strengthening stomach, waist and legs, arms, hips, thighs and works on the tummy at the same time. This elastic sit-up Pull rope workouts your arms, tummy, shoulders, legs and butt. It is not only a way to lose fat by exercising with our tummy trimmer but also a way to shape your body. It's lightweight & portable, Sizes are 11.8-inch x 10.2-inch (L x W), Weight: 742g. It is portable and light weight, easy to store and can be used anywhere anytime though in office.